6 cities
| City | Rank | 2025 Pop. ↓ | 2020 Pop. | Annual Change | Density | Area (mi²) | Type |
|---|---|---|---|---|---|---|---|
| Harlowton | 1 | 940 | 958 | -0.42% | 1,502 | 1 | City |
| Judith Gap | 2 | 107 | 110 | -0.93% | 322 | 0 | City |
| Shawmut | 3 | 46 | 47 | 6.98% | 21 | 2 | CDP |
| Springwater Colony | 4 | 31 | 83 | 6.9% | 132 | 0 | CDP |
| Twodot | 5 | 20 | 38 | 5.26% | 24 | 1 | CDP |
| Duncan Ranch Colony | 6 | 9 | 6 | 12.5% | 15 | 1 | CDP |
Harlowton is the largest city in Wheatland County, with a population of 940.
Duncan Ranch Colony is the smallest city in Wheatland County, with a population of 9.
There are 6 cities in Wheatland County, Montana.